<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card class="box-card">
      <div >
           <el-row :gutter="20">
             <el-col :span="9"><el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUersList()">
                <el-button slot="append" icon="el-icon-search" @click="getUersList()"></el-button>
             </el-input>
             </el-col>
             <el-col :span="4">
               <el-button type="primary" @click="addDialogVisble = true">添加用户</el-button>
             </el-col>
           </el-row>
      </div>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="提示"
      :visible.sync="addDialogVisble"
      width="50%" @close="addDialogClosed">
      <!-- 对话框的内容主体区域 -->
      <el-form :model="addForm" :rules="addformRule" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框的内容下方区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisble = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClose">
     <el-form ref="editFormRef" :model="editForm"
     :rules="editFormRules" label-width="80px">
       <el-form-item label="用户名">
         <el-input v-model="editForm.username" disabled></el-input>
       </el-form-item>
       <el-form-item label="邮箱" prop="email">
         <el-input v-model="editForm.email"></el-input>
       </el-form-item>
       <el-form-item label="手机号" prop="mobile">
         <el-input v-model="editForm.mobile" ></el-input>
       </el-form-item>
     </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoledialogVisible"
      width="50%"
      >
      <div>
        <p>当前用户：{{userinfo.username}}</p>
        <p>当前的角色：{{userinfo.role_name}}</p>
        <p>分配新角色：
          <el-select  v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" >
        <el-button @click="setRoledialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="savaRoleInfo()">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 用户列表区域 -->
    <el-table :data="userList" border stripe>
      <!-- 索引列 -->
      <el-table-column type="index"></el-table-column>
      <el-table-column label="姓名" prop="username"></el-table-column>
      <el-table-column label="邮箱" prop="email"></el-table-column>
      <el-table-column label="电话" prop="mobile"></el-table-column>
      <el-table-column label="角色" prop="role_name"></el-table-column>
      <el-table-column label="状态" prop="mg_state">
        <template slot-scope="scoope">
          <el-switch
            v-model="scoope.row.mg_state"
            active-color="#13ce66"
            inactive-color="#ff4949"
            @change="userStateChanged(scoope.row)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template slot-scope="scope">
          <!-- 修改按钮 -->
           <el-button type="primary" icon="el-icon-edit" circle size="mini"
           @click="showEditDialog(scope.row.id)"></el-button>
           <!-- 删除按钮 -->
           <el-button type="danger" icon="el-icon-delete" circle size="mini"
           @click="removeUserById(scope.row.id)"></el-button>
           <!-- 分配角色按钮 -->
           <el-tooltip class="item" effect="dark" content="分配角色" placement="bottom" :enterable="false">
               <el-button type="warning" icon="el-icon-setting" circle size="mini" @click="AssigningRoles(scope.row)"></el-button>
           </el-tooltip>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页查询功能 -->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :page-sizes="[1, 2, 5, 10]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
        </el-pagination>
  </div>
</template>

<script>
  export default {

      data() {
        // 自定义的校验规则
        // 邮箱的校验规则
        var checkEmail = (rule, value, callback) =>{
          // 验证邮箱正则表达式
          // const regEmail = /^[1][3,4,5,7,8][0-9]{9}$/
           const regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
          if(regEmail.test(value)){
            // 验证通过，合法的邮箱
            return callback;
          }else{
            callback(new Error('请输入合法的邮箱号'))
          }
          callback();
        }
        // 手机号码的校验规则
        var checkMoblie = (rule, value, callback) =>{
          // 验证手机号码表达式
          const regMoblie = /^[1][3,4,5,7,8][0-9]{9}$/

          if(regMoblie.test(value)){
            // 验证通过，合法的手机号
            return callback;
          }else{
            callback(new Error('请输入合法的手机号'))
          }
          callback();
        }
        return {
          // 获取用户列表参数
          queryInfo:{
            query:'',
            // 当前页数
            pagenum: 1,
            // 当前页面显示多少数据
            pagesize: 2
          },
          userList:[],
          // 总共查询页数
          total: 0,
          // 控制对话框的显示和隐藏
          addDialogVisble: false,
          // 用户控制修改用户的对话框的显示与隐藏
          editDialogVisible: false,
          // 添加功能的表单数据
          addForm: {
            username:'',
            password:'',
            email: '',
            mobile: ''
          },
          // 添加表单的数据规则
          addformRule:{
            username:[
              { required: true, message: '请输入用户名',trigger: 'blur'},
              { min:3, max:10,message:'用户名在3~10之间',trigger: 'blur'}
            ],
            password:[
              { required: true,message: '请你输入密码',trigger: 'blur'},
              { min:6, max:12,message: '密码在6~12个字符之间',trigger: 'blur'}
            ],
            email:[
              { required: true,message: '请你输入邮箱',trigger: 'blur'},
              { validator: checkEmail , trigger: 'blur'}
            ],
            mobile:[
              { required: true,message: '请你输入手机号',trigger: 'blur'},
              { validator: checkMoblie , trigger: 'blur'}
            ]

          },
          // 添加表单的引用
          addFormRef:{},
          // 查询到的用户信息对象
          editForm: {},
          // 修改表单的验证规则对象
          editFormRules:{
            email:[
              { required:true,message:'请输入合法的的邮箱号',trigger:"blur"},

            ],
            mobile:[
              { required:true,message:'请输入合法的的手机号',trigger:"blur"},

            ]
          },
          // 控制分配权限对话框的显示
          setRoledialogVisible: false,
          // 需要被分配角色的用户信息
          userinfo: {},
          // 所有角色的数据列表
          rolesList: [],
          // 已选中的角色id值
          selectedRoleId:''
  }

},

      created() {
        this.getUersList();
      },
      methods:{
         // 获取用户列表函数
        getUersList: async function(){
          const {data: res} = await this.$http.get('users',{ params: this.queryInfo})
          // console.log(res);
          if(res.meta.status !== 200){
            return this.$message.error('获取用户列表失败',)
          }else{
            this.userList = res.data.users;
            this.total = res.data.total;
            // console.log(this.userList);
            // console.log(this.total);
          }
        },
        // 监听pagesize改变的事件
        handleSizeChange: function(newSize){
            console.log(newSize);
            this.queryInfo.pagesize = newSize;
            this.getUersList();
        },
        // 监听页码值改变的事件
        handleCurrentChange: function(newPage){
          console.log(newPage);
          this.queryInfo.pagenum = newPage;
          this.getUersList();
        },
        // 更新用户状态函数
        userStateChanged: async function(userinfo){
          const {data: res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`);
          console.log(res)
          if(res.meta.status !== 200){
            userinfo.mg_state = !userinfo.mg_state;
            return this.$message.error('更新用户失败');
          }else {
            this.$message.success('更新状态成功')
          }
        },
        // 监听添加用户对话框的关闭事件
        addDialogClosed: function(){
          this.$refs.addFormRef.resetFields()
        },
        // 对话框点击确定按钮的添加事件
        addUser: async function(){
          // 此处有BUG，校验通过，函数不执行
          // this.$refs.addFormRef.validate(valid =>{
          //     console.log(1);

          // })
          const {data: res} = await this.$http.post('users',this.addForm);
          if(res.meta.status !== 201){
            this.$message.error('添加用户失败！');
          }else{
            this.$message.success('添加用户成功');
          }
          // 隐藏对话框
          this.addDialogVisble = false;
          // 重新刷新列表
          this.getUersList();
        },
        // 展示用于修改用户信息的对话框
        showEditDialog: async function(id){
           const {data: res} = await this.$http.get('users/' + id);
            if(res.meta.status !== 200){
              this.$message.error('查询用户信息失败');
            }
            this.editForm = res.data;
            this.editDialogVisible = true;
            console.log(this.editForm);
        },
        // 监听关闭修改用户信息表单对话框
        editDialogClose: function(){
          this.$refs.editFormRef.resetFields();
        },
        // 监听修改用户信息对话框表单里面的确定按钮
        editUserInfo: function(id){
          this.$refs.editFormRef.validate
          (async valid =>{
            if(!valid) return
            // 发起用户修改信息的请求
            console.log(this.editForm);
            const {data: res} = await this.$http.put('users/' + this.editForm.id,
            {
              email:this.editForm.email,
              mobile:this.editForm.mobile,
            })

            if(res.meta.status !== 200){
              return this.$message.error("修改用户数据失败")
            }

            // 关闭对话框
            this.editDialogVisible = false;
            // 刷新数据列表
            this.getUersList();
            // 显示用户修改成功的消息
            this.$message.success('修改用户成功')
          })
        },
        // 监听点击删除用户按钮
        removeUserById: async function(id){
          const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示',
                  {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                  }).catch(err => err)
                  // 确认操作用户返回的是文本 confirm
                   console.log(confirmResult);
                  if(confirmResult == 'cancel'){
                    console.log(123);
                    return this.$message.info('已经取消删除');
                  }
                  const {data: res} = await this.$http.delete('users/'+ id);
                  if(res.meta.status !== 200){
                    this.$message.error("删除角色失败")
                  }
                  this.$message.success("删除用户成功")
                  // 更新用户列表
                  this.getUersList();
        },
        // 监听点击分配权限事件
        AssigningRoles: async function(userinfo){
          this.userinfo = userinfo;
          // 在展示之前获取所有的列表
          const {data: res} = await this.$http.get('roles');
          if(res.meta.status !== 200){
            return this.$message.error('获取用户列表失败')
          }
          this.rolesList = res.data;
          this.setRoledialogVisible = true;
        },
        // 监听分配权限对话框的确定按钮事件
        savaRoleInfo: async function(){
          if(!this.selectedRoleId){
            return this.$message.error('请选择要分配的角色');
          }
          const {data: res} = await this.$http.put(`users/${this.userinfo.id}/role`,
          {rid: this.selectedRoleId})
          console.log(res);
          if(res.meta.status !== 200){
            this.$message.error('更新分配的角色失败')
          }
          this.$message.success('更新角色成功');
          // 刷新数据
          this.getUersList()
          // 隐藏对话框
          this.setRoledialogVisible = false;
        }
      }
  }
</script>

<style lang="less" scoped>
</style>
